Question
How many lines are
  1. parallel to UV?
  2. parallel to NP? 
  3. perpendicular to LM?
2 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

(c)

Click button first when a symbol is required. X

How many lines are
  1. parallel to UV?
  2. parallel to NP? 
  3. perpendicular to LM?